# #401660

A color — cool, vivid, dark, technical, modern, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#401660`
- RGB: rgb(64, 22, 96)
- HSL: hsl(274, 63%, 23%)
- OKLCH: oklch(0.308 0.125 306.2)
- Relative luminance: 0.0251
- Nearest named color: Fading Horizon (#442266, Δ 2.887) — https://brandsweets.com/colors/fading-horizon
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/401660

## Tints & shades

- Tints (toward white): #561d81, #69249e, #7f2bbf, #913cd3, #a45dda, #b47ae1, #c79be8, #d7b8ef, #eadaf7, #faf7fd
- Shades (toward black): #3a1457, #35124f, #2f1047, #290e3e, #270d3a, #210b32, #1c092a, #160821, #110619, #0b0411

## Harmonies

- Complementary: #366016
- Analogous: #1b1660, #60165b
- Triadic: #604016, #166040
- Split-complementary: #5b6016, #16601b
- Tetradic: #601b16, #366016, #165b60

## Colors that go with #401660

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #401660: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #401660's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Discord (https://brandsweets.com/colors/brands/discord), Confluent (https://brandsweets.com/colors/brands/confluent-io), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/royalblue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #401660: 4 real palettes, including SoFi's brand system and Open House, as the supporting colour. Seen in: SoFi (https://brandsweets.com/colors/brands/sofi-com), Open House (https://brandsweets.com/palettes/clean#open-house), Coastal (https://brandsweets.com/palettes/cool#coastal), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #401660: 4 real palettes, including Blue Mono and Purina Pro Plan's brand system, as the lead colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Purina Pro Plan (https://brandsweets.com/colors/brands/chewy-com), MLB (https://brandsweets.com/colors/brands/mlb-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #401660 in 4 real palettes, including Casper Sleep's brand system and Marvel's brand system, as the lead colour. Seen in: Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #401660: 13 real palettes, including Discover's brand system and Panasonic's brand system, as the supporting colour. Seen in: Discover (https://brandsweets.com/colors/brands/discover-com), Panasonic (https://brandsweets.com/colors/brands/panasonic-com), Bank of America (https://brandsweets.com/colors/brands/bankofamerica-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/denim
- **Light Pink** #ffb6c1 [pool] — Light Pink shows up next to #401660 in 4 real palettes, including Macaron and Sorbet, as the lead colour. Seen in: Macaron (https://brandsweets.com/palettes/light#macaron), Sorbet (https://brandsweets.com/palettes/light#sorbet), Railway (https://brandsweets.com/colors/brands/railway-app), Pastel Pop (https://brandsweets.com/palettes/playful#pastel-pop). — https://brandsweets.com/colors/lightpink
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #401660 in 4 real palettes, including Monzo's brand system and Audi's brand system, as the supporting colour. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Audi (https://brandsweets.com/colors/brands/audi-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Tide (https://brandsweets.com/colors/brands/tide-com). — https://brandsweets.com/colors/orangered

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 13.98:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.5:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9d50d7 (4.56:1); AA: background → #949494 (4.61:1); AAA: text → #b77ee2 (7.1:1); AAA: background → #b8b8b8 (7.05:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/401660-b79cc4-c2cb62-2d1f2d-eae9f1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#401660" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.